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Processes in a dense long-pulse electron beam focused on a solid target

Abstract

The results obtained in beam-target experiments with dense medium-energy electron beam in the regime of long single pulses are presented. The measured power density of the focused beam at the target reached 20 MW/cm{sup 2} in these experiments. The processes caused by dense flows of secondary particles and by a dense target ablation plasma were studied in detail. Substantial target shielding occurs when the energy density at the target exceeds the value of about 1 kJ/cm{sup 2}. The target plasma and the sputtered matter that is responsible for shielding affects also the beam structure, as well as the target etching rates. (J.U.). 3 figs., 5 refs.
Authors:
Arkhipov, A V; Sominskij, G G [1] 
  1. St. Petersburg Technical Univ. (Russian Federation)
Publication Date:
Dec 31, 1996
Product Type:
Conference
Report Number:
INIS-CZ-0003; CONF-960610-
Reference Number:
SCA: 665300; 700350; PA: AIX-28:056298; EDB-97:114382; SN: 97001835250
Resource Relation:
Conference: BEAMS `96: 11. international conference on high-power particle beams, Prague (Czech Republic), 10-14 Jun 1996; Other Information: PBD: 1996; Related Information: Is Part Of Beams `96. Proceedings of the 11th international conference on high power particle beams. Vol. II; Jungwirth, K.; Ullschmied, J. [eds.]; PB: [692] p.
Subject:
66 PHYSICS; 70 PLASMA PHYSICS AND FUSION; ELECTRON BEAMS; ABLATION; SPUTTERING; ELECTRON BEAM TARGETS; FOCUSING; KEV RANGE 10-100; KILO AMP BEAM CURRENTS; SECONDARY EMISSION; SHIELDING
OSTI ID:
511444
Research Organizations:
Ceskoslovenska Akademie Ved, Prague (Czech Republic). Ustav Fyziky Plazmatu
Country of Origin:
Czech Republic
Language:
English
Other Identifying Numbers:
Other: ON: DE97637209; ISBN 80-902250-4-7; TRN: CZ9726861056298
Availability:
INIS; OSTI as DE97637209
Submitting Site:
INIS
Size:
pp. 789-792
Announcement Date:
Sep 04, 1997

Citation Formats

Arkhipov, A V, and Sominskij, G G. Processes in a dense long-pulse electron beam focused on a solid target. Czech Republic: N. p., 1996. Web.
Arkhipov, A V, & Sominskij, G G. Processes in a dense long-pulse electron beam focused on a solid target. Czech Republic.
Arkhipov, A V, and Sominskij, G G. 1996. "Processes in a dense long-pulse electron beam focused on a solid target." Czech Republic.
@misc{etde_511444,
title = {Processes in a dense long-pulse electron beam focused on a solid target}
author = {Arkhipov, A V, and Sominskij, G G}
abstractNote = {The results obtained in beam-target experiments with dense medium-energy electron beam in the regime of long single pulses are presented. The measured power density of the focused beam at the target reached 20 MW/cm{sup 2} in these experiments. The processes caused by dense flows of secondary particles and by a dense target ablation plasma were studied in detail. Substantial target shielding occurs when the energy density at the target exceeds the value of about 1 kJ/cm{sup 2}. The target plasma and the sputtered matter that is responsible for shielding affects also the beam structure, as well as the target etching rates. (J.U.). 3 figs., 5 refs.}
place = {Czech Republic}
year = {1996}
month = {Dec}
}